Resonance structures differ by . A. placement of atoms only
B. placement of electrons only
C. number of atoms only
D. number of electrons only
E. number and placement of electrons

Balance this equation co2(g) + h2o (g) show that the balanced equation obeys the law if conversation of mass

Which best explains why an iceberg floats?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy